Calls Purchased on Athenahealth, Inc. (ATHN)

Shares of Athenahealth, Inc. ATHN are lower on the session by 1.95%, currently trading at $45.29. The stock has been moving largely higher over the past six months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying calls on the name today. A short while ago the June 2011 $50.00 call was purchased 900 times, on the offer, on open interest of 357 contracts. Overall call volume is now running at 2.64x the daily average with 77% of all calls traded being purchases on the offer. Athenahealth, Inc. is a business services company that provides ongoing billing, clinical-related, and other related services to its customers. The company provides these services with the use of athenaNet, an Internet-based practice management application. athenahealth's customers consist of medical group practices ranging in size throughout the United States of America.